On the leg from Podkamennaya Tunguska to Yeniseysk on a positioning flight from Norilsk-Valyok to Abakan when the crew was in a hurry on take off and forgot to put the trim tab of the horizontal stabilizer into neutral position. Aircraft lifted off with a high angle of attack, stalled, crashed 525 metres behind the runway threshold, caught fire and burnt out. While both pilots were injured, the sole passenger (an aircraft mechanic) was killed.